import { Link } from 'react-router-dom'
import { Card, Breadcrumb, Form, Button, Radio, DatePicker, Select,Popconfirm  } from 'antd'
//引入汉化包 时间选择器显示中文
import locale from 'antd/es/date-picker/locale/zh_CN'
import { Table, Tag, Space } from 'antd'
import { EditOutlined, DeleteOutlined } from '@ant-design/icons'
import img404 from '@/assets/error.png'
import {useChannel} from '@/hooks/useChannel'
import {getArticleListAPI, delArticleAPI} from '@/apis/article'
import {useState, useEffect} from 'react'
import {useNavigate} from 'react-router-dom'

const { Option } = Select
const { RangePicker } = DatePicker

const Article = () => {
  const navigate = useNavigate()
  const {channelList} = useChannel()
    // 准备列数据
    //定义状态枚举
    const status ={
      1:<Tag color="warning">待审核</Tag>,
      2:<Tag color="green">审核通过</Tag>
    }
  const columns = [
    {
      title: '封面',
      dataIndex: 'cover',
      width: 120,
      render: cover => {
        return <img src={cover.images[0] || img404} width={80} height={60} alt="" />
      }
    },
    {
      title: '标题',
      dataIndex: 'title',
      width: 220
    },
    {
      title: '状态',
      dataIndex: 'status',
      //data - 后端返回的状态status 根据它做条件渲染
      //三元表达式写法
      // render: data => data === 1 ? <Tag color="warning">待审核</Tag> : <Tag color="green">审核通过</Tag>
      //枚举写法
      render: data => status[data]
    },
    {
      title: '发布时间',
      dataIndex: 'pubdate'
    },
    {
      title: '阅读数',
      dataIndex: 'read_count'
    },
    {
      title: '评论数',
      dataIndex: 'comment_count'
    },
    {
      title: '点赞数',
      dataIndex: 'like_count'
    },
    {
      title: '操作',
      render: data => {
        return (
          <Space size="middle">
            <Button type="primary" shape="circle" icon={<EditOutlined />} onClick={()=>navigate(`/publish?id=${data.id}`)}/>
            <Popconfirm
              title="删除文章"
              description="确认删除文章吗?"
              onConfirm={()=>onConfirm(data)}
              okText="Yes"
              cancelText="No"
              >
              <Button
              type="primary"
              danger
              shape="circle"
              icon={<DeleteOutlined />}
            />
            </Popconfirm>
            
          </Space>
        )
      }
    }
  ]
  // 准备表格body数据
  const data = [
    {
      id: '8218',
      comment_count: 0,
      cover: {
        images: [],
      },
      like_count: 0,
      pubdate: '2019-03-11 09:00:00',
      read_count: 2,
      status: 2,
      title: 'wkwebview离线化加载h5资源解决方案'
    }
  ]

  //筛选功能
//1.准备参数
const [reqData,setReqData] = useState({
  status: '',
  channel_id: '',
  begin_pubdate: '',
  end_pubdate: '',
  page: 1,
  per_page: 4
})

  //获取文章列表
  const [list, setList] = useState([])
  const [count, setCount] = useState(0)
  useEffect(()=>{
    async function getList(){
      const res = await getArticleListAPI(reqData)
      setList(res.data.results)
      setCount(res.data.total_count)
    }
    getList()
  },[reqData])

//2.获取筛选数据
const onFinish=(formValue)=>{
  // console.log(formValue)
  //3.把表单收集到的数据放到参数中,不可变方式
  setReqData({
    ...reqData,
    status: formValue.status,
    channel_id: formValue.channel_id,
    begin_pubdate: formValue.date[0].format('YYYY-MM-DD'),
    end_pubdate: formValue.date[1].format('YYYY-MM-DD'),
  })
  //4.重新获取文章列表+table --复用
  //reqData依赖项发生变化，重复执行副作用函数
}

//分页
const onPageChange=(page)=>{
  // console.log(page)
  setReqData({
    ...reqData,
    page: page,
  })
}

//删除-确定按钮回调
const onConfirm=async(data)=>{
  // console.log(data)
  await delArticleAPI(data.id)
  setReqData({
    ...reqData
  })
}
  return (
    <div>
      <Card
        title={
          <Breadcrumb items={[
            { title: <Link to={'/'}>首页</Link> },
            { title: '文章列表' },
          ]} />
        }
        style={{ marginBottom: 20 }}
      >
        <Form initialValues={{ status: '' }} onFinish={onFinish}>
          <Form.Item label="状态" name="status">
            <Radio.Group>
              <Radio value={''}>全部</Radio>
              <Radio value={0}>草稿</Radio>
              <Radio value={2}>审核通过</Radio>
            </Radio.Group>
          </Form.Item>

          <Form.Item label="频道" name="channel_id">
            <Select
              placeholder="请选择文章频道"
              defaultValue="lucy"
              style={{ width: 120 }}
            >
              {/* value属性用户选中后会自动收集起来作为接口的提交字段 */}
              {channelList.map(item=> <Option key={item.id} value={item.id}>{item.name}</Option>)}
            </Select>
          </Form.Item>

          <Form.Item label="日期" name="date">
            {/* 传入locale属性 控制中文显示*/}
            <RangePicker locale={locale}></RangePicker>
          </Form.Item>

          <Form.Item>
            <Button type="primary" htmlType="submit" style={{ marginLeft: 40 }}>
              筛选
            </Button>
          </Form.Item>
        </Form>
      </Card>

      {/* 表格区域 */}
      <Card title={`根据筛选条件共查询到 ${count} 条结果：`}>
        <Table rowKey="id" columns={columns} dataSource={list} pagination={{
        total:count,
        pageSize:reqData.per_page,
        onChange:onPageChange
        }}/>
      </Card>
    </div>
  )
}

export default Article